74155575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4048

約数の個数: 48

約数和(自身を含む): 139018880

約数和(自身を除く): 64863305

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3705, 4003, 6175, 12009, 18525, 20015, 52039, 60045, 76057, 100075, 156117, 228171, 260195, 300225, 380285, 780585, 988741, 1140855, 1300975, 1901425, 2966223, 3902925, 4943705, 5704275, 14831115, 24718525, 74155575]

約数ペア:

[(1, 74155575), (3, 24718525), (5, 14831115), (13, 5704275), (15, 4943705), (19, 3902925), (25, 2966223), (39, 1901425), (57, 1300975), (65, 1140855), (75, 988741), (95, 780585), (195, 380285), (247, 300225), (285, 260195), (325, 228171), (475, 156117), (741, 100075), (975, 76057), (1235, 60045), (1425, 52039), (3705, 20015), (4003, 18525), (6175, 12009)]